System and a method of producing a picture and/or sound signal on the background of the execution of multimedia content

Abstract

This invention relates to a system for producing a frequency modulated picture and/or sound signal on the basis of execution of multimedia content, wherein the system comprises a first unit configured for receiving a sound signal and a picture signal from a multi-media terminal like a PC, computer, etc. configured for executing multimedia content, wherein the first unit is further configured for frequency modulating and combining said sound signal and picture signal to one single combined picture and sound signal, and a second unit configured for receiving said combined picture and sound signal and configured for combining said combined signal with at least one further signal resulting in a first signal. Hereby a simple system is provided that will in a simple and efficient manner enable the provision of multimedia content from a computer, PC, etc, such that it can be displayed/played on one or more standard media apparatus(es) like a TV-set, a music-set, etc. where the system requires very little additional wiring and is easy to install. A wireless control unit may be used to alter and control the multimedia execution on the multimedia terminal. Besides, the invention relates to a method of producing a picture and/or sound signal on the background of the execution of multimedia content, and a method/protocol for communication between a control unit and a wireless communication unit.

1 . A system for providing a frequency modulated picture and sound signal on the basis of execution of multimedia content on a multimedia terminal, wherein the system comprises 
 a first unit ( 104 ) configured for receiving a sound signal ( 103 ) and a picture signal ( 102 ) from a multimedia terminal ( 101 ) configured for executing multimedia content, wherein the first unit ( 104 ) is further configured for frequency modulating and combining said sound signal ( 103 ) and picture signal ( 102 ) to one single combined picture and sound signal ( 105 ); and    a second unit ( 106 ) configured for receiving said combined picture and sound signal ( 105 ) and configured for combing said combined signal ( 105 ) with at least one further signal ( 107 ) resulting in a first signal ( 108 ).    
     
     
         2 . A system according to  claim 1 , wherein said at least one further signal ( 107 ) comprises at least one signal selected from the group of: 
 a TV antenna signal; and    a radio antenna signal.    
     
     
         3 . A system according to  claim 1 , wherein said system further comprises 
 said multimedia terminal ( 101 );    a wireless communication unit ( 110 ) in communications connection with said multi-media terminal ( 101 ) and comprising a wireless receiver/transmitter ( 150 ,  151 ); and    a wireless control unit ( 111 ) comprising operation means ( 402 ;  403 ;  404 ;  405 ;  406 ;  407 ,  156 ) and a wireless receiver/transmitter ( 150 ′,  151 ′) and configured for two-way wireless communication with said communication unit ( 110 );    wherein said control unit ( 111 ) is configured to control said execution of multimedia content on said terminal ( 101 ) via communication with said communication unit ( 110 ) and a software application ( 801 ) installed on said multimedia terminal ( 101 ).    
     
     
         4 . A system according to  claim 3 , wherein said control unit ( 111 ) is configured for communicating with said wireless communication unit ( 110 ) in accordance with a simple protocol, wherein simple control codes are transmitted to said multimedia terminal ( 101 ) for receiving and processing by said software application ( 801 ), wherein said software application ( 801 ) is configured for execution and changing the execution of said multimedia content based on the received control codes.  
     
     
         5 . A system according to claims  1 , wherein said system further comprises at least one display and/or playing unit ( 109 ) that is configured for receiving and displaying and/or playing said first signal ( 108 ).  
     
     
         6 . A system according to  claim 5 , wherein said at least one display and/or playing unit is selected from the group of: 
 a TV set;    a video player; and    a music set.    
     
     
         7 . A system according to  claim 1 , wherein said first unit ( 104 ) comprises 
 a TV modulation unit ( 121 ), adapted to receive said picture signal ( 102 ) and said sound signal ( 103 ) from said multimedia terminal ( 101 ) and modulate said picture signal ( 102 ) and said sound signal ( 103 ) resulting in a frequency modulated picture and sound signal ( 102 ′),    a radio modulation unit ( 122 ), adapted to receive said sound signal ( 103 ) from said multimedia terminal ( 101 ) and modulate said sound signal ( 103 ) resulting in a frequency modulated radio signal ( 103 ′), and    a combination unit ( 120 ) adapted to combine said modulated picture and sound signal ( 102 ′) and said modulated radio signal ( 103 ′) into said single combined picture and sound signal ( 105 ).    
     
     
         8 . A system according to  claim 7 , wherein said TV modulation unit ( 121 ) is adapted to modulate said picture ( 102 ) and sound ( 103 ) signal to the UHF frequency area, and said radio modulation unit ( 121 ) is adapted to modulate said sound signal ( 103 ) to the FM-radio frequency area.  
     
     
         9 . A system according to  claim 1 , wherein said second unit ( 105 ) comprises a combination unit ( 120 ) connected to receive said further signal ( 107 ,  130 ), comprising TV and radio signals, and said combined signal ( 105 ) where said combination unit ( 120 ) is adapted to combine said further signal ( 107 ,  130 ) and said combined signal ( 105 ) resulting in said first signal ( 108 ,  130 ′) comprising existing TV and radio signals ( 130 ) and a frequency modulated version of said multimedia signal being executed on said multimedia terminal ( 101 ).  
     
     
         10 . A system according to  claim 1 , wherein said second unit ( 105 ) comprises 
 a band-pass filter ( 123 ) connected to receive said combined signal ( 105 ) where said filter ( 123 ) is adapted to filter out a picture part of said combined signal ( 105 ) resulting in a filtered sound signal,    a first combination unit ( 120 ) connected to receive said combined signal ( 105 ) and said further signal ( 107 ,  130 ), comprising TV signals, where said first combination unit ( 120 ) is adapted to combine said further signal ( 107 ,  130 ) and said combined signal ( 105 ) resulting in said first signal ( 108 ,  130 ′) comprising existing TV signals ( 130 ) and a frequency modulated version of said sound and picture signal being executed on said multimedia terminal ( 101 ),    a second combination unit ( 120 ) connected to receive said filtered sound signal and said further signal ( 107 ,  131 ), where said second combination unit ( 120 ) is adapted to combine said further signal ( 107 ,  131 ) and said filtered sound signal resulting in said first signal ( 108 ,  131 ′) comprising existing radio signals ( 131 ) and a frequency modulated version of said sound signal being executed on said multimedia terminal ( 101 ).    
     
     
         11 . A method of producing a frequency modulated picture and sound signal on the basis of execution of multimedia content on a multimedia terminal, wherein said method comprises 
 receiving a sound signal ( 102 ) and a picture signal ( 102 ) from a multimedia terminal ( 101 ) configured for execution multimedia content;    frequency modulation and combination of said sound signal and picture signal to one single combined picture and sound signal ( 105 ); and    combination of said combined signal ( 105 ) with at least one further signal resulting in a first signal ( 108 ).    
     
     
         12 . A method according to  claim 11 , wherein said method further comprises 
 wireless communication between a wireless communication unit ( 110 ) connected to said multimedia terminal ( 101 ); and a wireless control unit ( 111 ) comprising operating means ( 402 ;  403 ;  404 ;  405 ;  406 ;  407 ,  156 ),    wherein said control unit ( 111 ) controls said execution of multimedia content on said multimedia terminal ( 101 ) via communication with said communication unit ( 110 ) and a software application ( 801 ) installed on said multimedia terminal ( 101 ).    
     
     
         13 . A method according to  claim 12 , wherein said method further comprises wireless communication between said control unit and said wireless communication unit according to a simple protocol, wherein simple control codes are transmitted to said multimedia terminal ( 101 ) for receiving and processing by said software application ( 801 ); and wherein the application is configured for execution and/or changing the execution of said multimedia content based on the received control codes.  
     
     
         14 . A method according to claims  11 , wherein that the method further comprises receipt and display and/or playing of said first ( 108 ) signal in at least one display and/or playing unit ( 109 ).  
     
     
         15 . A method according to  claim 11 , wherein said first unit ( 104 ) comprises 
 a TV modulation unit ( 121 ) receiving said picture signal ( 102 ) and said sound signal ( 103 ) from said multimedia terminal ( 101 ) and modulating said picture signal ( 102 ) and said sound signal ( 103 ) resulting in a frequency modulated picture and sound signal ( 102 ′),    a radio modulation unit ( 122 ) receiving said sound signal ( 103 ) from said multimedia terminal ( 101 ) and modulating said sound signal ( 103 ) resulting in a frequency modulated radio signal ( 103 ′), and    a combination unit ( 120 ) combining said modulated picture and sound signal ( 102 ′) and said modulated radio signal ( 103 ′) into said single combined picture and sound signal ( 105 ).    
     
     
         16 . A method according to  claim 15 , wherein said TV modulation unit ( 121 ) modulates said picture ( 102 ) and sound ( 103 ) signal to the UHF frequency area, and said radio modulation unit ( 121 ) modulates said sound signal ( 103 ) to the FM-radio frequency area.  
     
     
         17 . A method according to  claim 11 , wherein said second unit ( 105 ) comprises 
 a combination unit ( 120 ) receiving said further signal ( 107 ,  130 ), comprising TV and radio signals, and said combined signal ( 105 ) where said combination unit ( 120 ) combines said further signal ( 107 ,  130 ) and said combined signal ( 105 ) resulting in said first signal ( 108 ,  130 ′) comprising existing TV and radio signals ( 130 ) and a frequency modulated version of said multimedia signal being executed on said multimedia terminal ( 101 ).    
     
     
         18 . A method according to  claim 11 , wherein said second unit ( 105 ) comprises 
 a band-pass filter ( 123 ) receiving said combined signal ( 105 ) where said filter ( 123 ) filter out a picture part of said combined signal ( 105 ) resulting in a filtered sound signal,    a first combination unit ( 120 ) receiving said combined signal ( 105 ) and said further signal ( 107 ,  130 ), comprising TV signals, where said first combination unit ( 120 ) combines said further signal ( 107 ,  130 ) and said combined signal ( 105 ) resulting in said first signal ( 108 ,  130 ′) comprising existing TV signals ( 130 ) and a frequency modulated version of said sound and picture signal being executed on said multimedia terminal ( 101 ),    a second combination unit ( 120 ) receiving said filtered sound signal and said further signal ( 107 ,  131 ), where said second combination unit ( 120 ) combines said further signal ( 107 ,  131 ) and said filtered sound signal resulting in said first signal ( 108 ,  131 ′) comprising existing radio signals ( 131 ) and a frequency modulated version of said sound signal being executed on said multimedia terminal ( 101 ).    
     
     
         19 . A protocol for communication between a wireless control unit ( 111 ) and a multimedia terminal ( 101 ) wherein the protocol comprises: 
 simple control codes that are transmitted from said wireless control unit ( 111 ) to said multimedia terminal ( 101 ) for reception and processing by a software application ( 801 ) on said multimedia terminal ( 101 ); and    wherein said software application ( 801 ) is configured for execution and changing the execution of said multimedia content based on the received control codes.    
     
     
         20 . A computer readable medium having stored thereon instructions for causing one or more processing units to execute the method according to  claim 1.